kinetic energy
A child's spinning top wobbles on a wooden floor, demonstrating kinetic energy.
- Noun:
- The mechanical energy that a body possesses due to its motion: Kinetic energy is the energy an object has because it is moving. It depends on the object's mass and the square of its velocity.
- Kinetic energy is a fundamental concept in physics.
- It is a scalar quantity, meaning it has magnitude but no direction.
- The term is used to describe the energy associated with any object in motion, from a rolling ball to a moving car or a flowing river.
- Noun:
- The kinetic energy of the speeding car was immense.
- When the wind blows, it possesses kinetic energy that can be harnessed to generate electricity.
- As the roller coaster descends, its potential energy is converted into kinetic energy.
"Kinetic energy is conserved": In an elastic collision, the total kinetic energy of the system remains constant before and after the collision.
- In ideal gas molecules, kinetic energy is conserved during elastic collisions.
"Kinetic energy is dissipated": In inelastic collisions or due to friction, kinetic energy is transformed into other forms of energy like heat or sound.
- The kinetic energy of the skidding tires was dissipated as heat and sound.
Kinetic (adj): Relating to or resulting from motion.
- Kinetic art involves movement.
Potential energy (n): The energy stored in an object due to its position or state, often contrasted with kinetic energy.
- A raised weight has gravitational potential energy.
- Energy of motion: A descriptive synonym for kinetic energy.
- Mechanical energy of motion: A more specific synonym emphasizing its classification as mechanical energy.
"Convert to kinetic energy": To change from another form of energy into the energy of motion.
- The dam converts the water's potential energy into kinetic energy to turn turbines.
"Kinetic energy theorem": Refers to the work-energy theorem, which states that the net work done on an object equals its change in kinetic energy.
- We used the kinetic energy theorem to solve for the final velocity.
A child's spinning top wobbles on a wooden floor, demonstrating kinetic energy.
- the mechanical energy that a body has by virtue of its motion